CAS: 423768-46-1 Molecular Formula: C7H7ClO4S2 Molecular Weight (g/mol): 254.699 MDL Number: MFCD03407367 InChI Key: YWBXGHFHMHUSKH-UHFFFAOYSA-N Synonym: methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate,methyl 5-chlorosulfonyl-4-methyl-2-thiophenecarboxylate,2-thiophenecarboxylicacid, 5-chlorosulfonyl-4-methyl-, methyl ester PubChem CID: 2779815 IUPAC Name: methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate SMILES: CC1=C(SC(=C1)C(=O)OC)S(=O)(=O)Cl